| http://www.w3.org/ns/prov#value | - with a protruding flange near its base to support the sleeve, and with a rubber O-ring just above the flange to prevent the sleeve and rod from separating, (4) a collapsible frame with a center hole to support the rod and sleeve in an upright position, (5) a highly absorbent material, such as a sponge or dense latex foam or similar material, to contain a fluid or other substance often referred to
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